matematikordbogen.dk
Last scanned: 2026-08-27 18:06:27  ·  1284ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   104ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.141.234.130 600s 78.141.234.130.vultrusercontent.com AS20473 The Constant Company, LLC 78.141.192.0/18 🇬🇧 United Kingdom Canary Wharf
📧 MX Records3 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx10.mailspamprotection.com 34.149.79.66 66.79.149.34.bc.googleusercontent.com AS396982 Google LLC
20 3600s mx20.mailspamprotection.com 34.120.156.61 61.156.120.34.bc.googleusercontent.com AS396982 Google LLC
30 3600s mx30.mailspamprotection.com 34.111.121.216 216.121.111.34.bc.googleusercontent.com AS396982 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   184ms
TXT Record
v=spf1 +a +mx +a:ns1.usm87.siteground.biz include:_spf.mailspamprotection.com ~all
✉️ SPF
PolicyRecord (matematikordbogen.dk)
~all (soft fail) v=spf1 +a +mx +a:ns1.usm87.siteground.biz include:_spf.mailspamprotection.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC131ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023082100
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
104ms
A
82ms
MX
57ms
AAAA
72ms
TXT
184ms
CAA
65ms
HTTPS
98ms
TLSA
559ms
SOA
0ms
MTA-STS
110ms
DNSSEC
131ms
SRV
110ms
Total
1284ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:06:27 1284ms 4 NS 1 A 3 MX 🔒 Secure View
2026-06-18 08:49:36 1339ms 4 NS 1 A 3 MX 🔒 Secure View
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